/*
* 使用气泡图时，有两点注意事项：
* 数据(data属性)顺序必须严格按照指定的维度来摆放：
* [
*    [维度X 维度Y 气泡半径维度 数据名称 数据分组 ...其他数据]
*    [维度X 维度Y 气泡半径维度 数据名称 数据分组 ...其他数据]
*    ...
* ]
*/
const option = {
    theme: 'light',
    padding: [50, 30, 50, 20],
    legend: {
        orient: 'horizontal',
        show: true,
        position: {
            left: 'center',
            bottom: 15
        },

    },
    // 气泡大小范围，默认值为[10, 70]
    // 气泡半径维度决定了气泡的大小，bubbleSize决定了气泡大下的上下限
    bubbleSize: [20, 100],
    xAxisType: 'value',
    data: {
        '1990': [
            [28604, 77, 17096866, 'Australia', 1990],
            [31163, 77.4, 27662440, 'Canada', 1990],
            [60001, 68, 1154605773, 'China', 1990],
            [13670, 74.7, 10582082, 'Cuba', 1990],
            [28599, 75, 4986705, 'Finland', 1990],
            [29476, 77.1, 56943299, 'France', 1990],
            [31476, 75.4, 78958236, 'Germany', 1990],
            [28666, 78.1, 254830, 'Iceland', 1990],
            [50000, 57.7, 870601776, 'India', 1990],
            [29550, 79.1, 122249286, 'Japan', 1990],
            [2076, 67.9, 20194354, 'North Korea', 1990],
            [12087, 72, 42972256, 'South Korea', 1990],
            [24021, 75.4, 3397534, 'New Zealand', 1990],
            [43296, 76.8, 4240376, 'Norway', 1990],
            [10088, 70.8, 38195258, 'Poland', 1990],
        ],
        '2000': [
            [19349, 69.6, 147568552, 'Russia', 2000],
            [10670, 67.3, 53994606, 'Turkey', 2000],
            [26424, 75.7, 57110117, 'United Kingdom', 2000],
            [37062, 75.4, 252847810, 'United States', 2000],
            [23038, 73.13, 143456918, 'Russia', 2000],
            [19360, 76.5, 78665836, 'Turkey', 2000],
            [38225, 81.4, 64715810, 'United Kingdom', 2000],
            [53354, 79.1, 321773631, 'United States', 2000]
        ],
        '2015': [
            [44056, 81.8, 23968976, 'Australia', 2015],
            [43294, 81.7, 35939927, 'Canada', 2015],
            [13334, 76.9, 1376048943, 'China', 2015],
            [21291, 78.5, 11389566, 'Cuba', 2015],
            [38923, 80.8, 5503457, 'Finland', 2015],
            [37599, 81.9, 64395345, 'France', 2015],
            [44053, 81.1, 80688545, 'Germany', 2015],
            [42182, 82.8, 329425, 'Iceland', 2015],
            [5903, 66.8, 1311050527, 'India', 2015],
            [36162, 83.5, 126573486, 'Japan', 2015],
            [1390, 71.4, 25155317, 'North Korea', 2015],
            [34644, 80.7, 50293439, 'South Korea', 2015],
            [34186, 80.6, 4528526, 'New Zealand', 2015],
            [64304, 81.6, 5210966, 'Norway', 2015],
            [24787, 77.3, 38611794, 'Poland', 2015],
        ]
    },
};
